[ 41.666090][ T25] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.676261][ T25] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.699336][ T677] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.701030][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 41.716374][ T677] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.727187][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 42.548443][ T8651] can: request_module (can-proto-0) failed. [ 42.560651][ T8651] can: request_module (can-proto-0) failed. [ 42.572977][ T8651] can: request_module (can-proto-0) failed. [ 43.630243][ T37] audit: type=1804 audit(1620337818.863:2): pid=8705 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="scp" name="/root/syz-executor" dev="sda1" ino=13854 res=1 errno=0 [ 44.769406][ T677] ------------[ cut here ]------------ [ 44.775994][ T677] hook not found, pf 3 num 0 [ 44.776113][ T677] WARNING: CPU: 1 PID: 677 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x17a/0x560 [ 44.793680][ T677] Modules linked in: [ 44.798085][ T677] CPU: 1 PID: 677 Comm: kworker/u4:6 Not tainted 5.12.0-syzkaller #0 [ 44.806769][ T677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.817736][ T677] Workqueue: netns cleanup_net [ 44.823920][ T677] RIP: 0010:__nf_unregister_net_hook+0x17a/0x560 [ 44.830817][ T677] Code: 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a7 03 00 00 8b 53 1c 44 89 e6 48 c7 c7 40 71 9f 89 4c 89 04 24 e8 78 99 62 01 <0f> 0b 4c 8b 04 24 e9 ba 00 00 00 48 89 ea 48 c1 e2 04 49 8d 7c 10 [ 44.851606][ T677] RSP: 0018:ffffc9000326fbf0 EFLAGS: 00010282 [ 44.858081][ T677] RAX: 0000000000000000 RBX: ffff88814799dc00 RCX: 0000000000000000 [ 44.867311][ T677] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff5200064df70 [ 44.875841][ T677] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ba11fa5b [ 44.884133][ T677] R10: ffffed1017423f4b R11: 0000000000000001 R12: 0000000000000003 [ 44.892350][ T677] R13: ffff888022f78000 R14: ffff88814799dc1c R15: ffff888022f78f20 [ 44.900343][ T677] FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 44.909969][ T677] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.917372][ T677] CR2: 00007f3512af3710 CR3: 000000000a68e000 CR4: 00000000001506e0 [ 44.925628][ T677] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.934123][ T677] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.942335][ T677] Call Trace: [ 44.945752][ T677] nf_unregister_net_hooks+0xb1/0xf0 [ 44.951455][ T677] cleanup_net+0x3a4/0x990 [ 44.956936][ T677] ? ops_free_list.part.0+0x2d0/0x2d0 [ 44.962615][ T677] process_one_work+0x84c/0x13b0 [ 44.967731][ T677] ? lock_release+0x720/0x720 [ 44.973469][ T677] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 44.978945][ T677] ? rwlock_bug.part.0+0x90/0x90 [ 44.983961][ T677] ? _raw_spin_lock_irq+0x41/0x50 [ 44.988999][ T677] worker_thread+0x598/0xf80 [ 44.993946][ T677] ? __kthread_parkme+0xa2/0x1c0 [ 44.999089][ T677] ? process_one_work+0x13b0/0x13b0 [ 45.004472][ T677] kthread+0x36f/0x450 [ 45.008551][ T677] ? _raw_spin_unlock_irq+0x1f/0x40 [ 45.013826][ T677] ? __kthread_bind_mask+0x90/0x90 [ 45.019026][ T677] ret_from_fork+0x1f/0x30 [ 45.023970][ T677] Kernel panic - not syncing: panic_on_warn set ... [ 45.030692][ T677] CPU: 1 PID: 677 Comm: kworker/u4:6 Not tainted 5.12.0-syzkaller #0 [ 45.038738][ T677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.048981][ T677] Workqueue: netns cleanup_net [ 45.053755][ T677] Call Trace: [ 45.057116][ T677] dump_stack+0xa5/0xe6 [ 45.061286][ T677] panic+0x256/0x4eb [ 45.065226][ T677] ? __warn_printk+0xee/0xee [ 45.069980][ T677] ? __nf_unregister_net_hook+0x17a/0x560 [ 45.075683][ T677] __warn.cold+0x2b/0x35 [ 45.079986][ T677] ? __nf_unregister_net_hook+0x17a/0x560 [ 45.085774][ T677] report_bug+0x15a/0x1b0 [ 45.090079][ T677] handle_bug+0x3c/0x60 [ 45.094415][ T677] exc_invalid_op+0x14/0x40 [ 45.099266][ T677] asm_exc_invalid_op+0x12/0x20 [ 45.104092][ T677] RIP: 0010:__nf_unregister_net_hook+0x17a/0x560 [ 45.110478][ T677] Code: 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a7 03 00 00 8b 53 1c 44 89 e6 48 c7 c7 40 71 9f 89 4c 89 04 24 e8 78 99 62 01 <0f> 0b 4c 8b 04 24 e9 ba 00 00 00 48 89 ea 48 c1 e2 04 49 8d 7c 10 [ 45.131624][ T677] RSP: 0018:ffffc9000326fbf0 EFLAGS: 00010282 [ 45.137672][ T677] RAX: 0000000000000000 RBX: ffff88814799dc00 RCX: 0000000000000000 [ 45.145800][ T677] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff5200064df70 [ 45.153747][ T677] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ba11fa5b [ 45.161867][ T677] R10: ffffed1017423f4b R11: 0000000000000001 R12: 0000000000000003 [ 45.169847][ T677] R13: ffff888022f78000 R14: ffff88814799dc1c R15: ffff888022f78f20 [ 45.177924][ T677] nf_unregister_net_hooks+0xb1/0xf0 [ 45.183209][ T677] cleanup_net+0x3a4/0x990 [ 45.187628][ T677] ? ops_free_list.part.0+0x2d0/0x2d0 [ 45.193212][ T677] process_one_work+0x84c/0x13b0 [ 45.198149][ T677] ? lock_release+0x720/0x720 [ 45.202823][ T677] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 45.208174][ T677] ? rwlock_bug.part.0+0x90/0x90 [ 45.213607][ T677] ? _raw_spin_lock_irq+0x41/0x50 [ 45.219265][ T677] worker_thread+0x598/0xf80 [ 45.224009][ T677] ? __kthread_parkme+0xa2/0x1c0 [ 45.229014][ T677] ? process_one_work+0x13b0/0x13b0 [ 45.234455][ T677] kthread+0x36f/0x450 [ 45.238509][ T677] ? _raw_spin_unlock_irq+0x1f/0x40 [ 45.243776][ T677] ? __kthread_bind_mask+0x90/0x90 [ 45.248969][ T677] ret_from_fork+0x1f/0x30 [ 45.254493][ T677] Kernel Offset: disabled [ 45.259536][ T677] Rebooting in 86400 seconds..